This is a very 1967 issue kit -
The Mitsubishi MU-2 is a Japanese high-wing, twin-engine turboprop aircraft with a pressurized cabin manufactured by Mitsubishi Heavy Industries. It made its maiden flight in September 1963 and was produced until 1986. It is one of postwar Japan's most successful aircraft, with 704 manufactured in Japan and San Angelo, Texas, in the United States.